package com.czk.model.bridge;

public class Phone {
    // 组合品牌
    private Brand brand;
    public Phone(Brand brand){
        super();
        this.brand=brand;
    }
    protected void start(){
        this.brand.start();
    }
    protected void shutdown(){
        this.brand.shutdown();
    }
    protected void call(){
        this.brand.call();
    }
}
